JPS57148368A - Solid state color image pickup element - Google Patents

Solid state color image pickup element

Info

Publication number
JPS57148368A
JPS57148368A JP56033357A JP3335781A JPS57148368A JP S57148368 A JPS57148368 A JP S57148368A JP 56033357 A JP56033357 A JP 56033357A JP 3335781 A JP3335781 A JP 3335781A JP S57148368 A JPS57148368 A JP S57148368A
Authority
JP
Japan
Prior art keywords
layer
signal
image pickup
solid state
pickup element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP56033357A
Other languages
Japanese (ja)
Inventor
Hajime Matsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56033357A priority Critical patent/JPS57148368A/en
Publication of JPS57148368A publication Critical patent/JPS57148368A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
    • H01L27/144—Devices controlled by radiation
    • H01L27/146—Imager structures
    • H01L27/14643—Photodiode arrays; MOS imagers
    • H01L27/14645—Colour imagers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

PURPOSE:To enable to form the solid state color image pickup element, having a built-in color separation mechanism, using a semiconductor process only by a method wherein the depth of diffusion of the floating diffusion layer on the adjoining photo detecting diodes is varied each other. CONSTITUTION:A photo-detecting diode row 10, which is placed on a solid state image pickup element substrate 1, is formed in such a manner that a deep floating diffusion layer 2 and a shallow floating diffusion layer 3 are arranged alternately. In the solid state image pickup element which was formed according to this constitution, as red light is not fully absorbed in the layer 3, and on the contrary, blue light is absorbed in the vicinity of the surface of the layer 2, the quantity of charge corresponding to the quantity of red color is accumulated in the layer 2, and the quantity of charge corresponding to the quantity of blue color is accumulated in the layer 2. Accordingly, if the output of a shift registor is separated into a signal corresponding to the layer 2 and a signal corresponding to the layer 3 using a synchronizing signal, a red signal and a blue signal can be obtained separately. Besides, electric signal, consisting of a green signal in which some red signal and blue signal are added, can be obtained by adding a floating diffusion layer of intermediate depth to the above.
JP56033357A 1981-03-09 1981-03-09 Solid state color image pickup element Pending JPS57148368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56033357A JPS57148368A (en) 1981-03-09 1981-03-09 Solid state color image pickup element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56033357A JPS57148368A (en) 1981-03-09 1981-03-09 Solid state color image pickup element

Publications (1)

Publication Number Publication Date
JPS57148368A true JPS57148368A (en) 1982-09-13

Family

ID=12384326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56033357A Pending JPS57148368A (en) 1981-03-09 1981-03-09 Solid state color image pickup element

Country Status (1)

Country Link
JP (1) JPS57148368A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158121A (en) * 1978-06-02 1979-12-13 Hitachi Ltd Solid state image pickup device
JPS5535600A (en) * 1978-08-31 1980-03-12 Siemens Ag Color picture scanning device and method of driving same
JPS5575370A (en) * 1978-12-02 1980-06-06 Canon Inc Original reading device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158121A (en) * 1978-06-02 1979-12-13 Hitachi Ltd Solid state image pickup device
JPS5535600A (en) * 1978-08-31 1980-03-12 Siemens Ag Color picture scanning device and method of driving same
JPS5575370A (en) * 1978-12-02 1980-06-06 Canon Inc Original reading device

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